--- title: "M16 Hex Security Nut with Spring and Ball" description: "M16 Hex Security Nut with Spring and Ball — Security & Tamper-Resistant Nuts. Material: Carbon Steel, Grade: 5.6. MOQ 100 pieces, US$0.042 – 3.54." url: https://engineeringhardware.com/product/m16-hex-security-nut-with-spring-and-ball/ source: Engineering Hardware & Fasteners --- # M16 Hex Security Nut with Spring and Ball [![M16 Hex Security Nut with Spring and Ball](https://img.engineeringhardware.com/M16-Hex-Security-Nut-with-Spring-and-Ball.webp)](https://img.engineeringhardware.com/M16-Hex-Security-Nut-with-Spring-and-Ball.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Security & Tamper-Resistant Nuts](https://engineeringhardware.com/fastener-products/nuts/security-tamper-resistant-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/m16-hex-security-nut-with-spring-and-ball.md) Model no. **M16** US$0.042 – 3.54 / piece MOQ 100 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 5.6 - **Size:** M16 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M16%20Hex%20Security%20Nut%20with%20Spring%20and%20Ball%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm16-hex-security-nut-with-spring-and-ball%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Customization | Available | | --- | --- | | Material | Carbon Steel | | Type | Hexagon Head | | Model NO. | M16 | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 5.6 | | Product Name | Hex Nut with Spring and Ball | | Warranty | 2 Year | | Size | M16 | | Advantage | Difficulty to Remove, Long Life | | Sample | Yes | | Application | Transmission Tower | | Transport Package | Wooden Boxes with Jute Bag | | Specification | 35mm*26mm*20mm | | Origin | China | | Production Capacity | 500000PCS | | Product specification | product name | | pls noted | other sizecan be customed. | | Category | [Security & Tamper-Resistant Nuts](https://engineeringhardware.com/fastener-products/nuts/security-tamper-resistant-nuts/) | ## Technical parameters | product name | Hex Security nut | | --- | --- | | size | M10~M24 | | material | carbon steel | | feature | long life, difficulty to remove once finished | | application | Outdoor public facilities against bolt loosening and sabotage | ## Description M16 Hex Security Nut with Spring and Ball is part of our security & tamper-resistant nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Carbon Steel - **Grade:** 5.6 - **Size:** M16 - **Head Style:** Hexagonal - **Connection:** Common Bolt - **Application:** Transmission Tower Available configurations include material, head style, standard, grade and size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.042 – 3.54 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for M16 Hex Security Nut with Spring and Ball? The listed minimum order is 100 pieces, at US$0.042 – 3.54 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of M16 Hex Security Nut with Spring and Ball? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: 5.6; Size: M16; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, head style, standard, grade and size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other security & tamper-resistant nuts are available? The Security & Tamper-Resistant Nuts category lists 36 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/security-tamper-resistant-nuts/](https://engineeringhardware.com/fastener-products/nuts/security-tamper-resistant-nuts/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Security & Tamper-Resistant Nuts →](https://engineeringhardware.com/fastener-products/nuts/security-tamper-resistant-nuts/) [![Wholesale Black Chrome Wheel Lock Lug Nuts with Security Key Anti Theft Wheel Nuts Auto Parts Made in China](https://img.engineeringhardware.com/Wholesale-Black-Chrome-Wheel-Lock-Lug-Nuts-with-Security-Key-Anti-Theft-Wheel-Nuts-Auto-Parts-Made-in-China.webp)](https://engineeringhardware.com/product/wholesale-black-chrome-wheel-lock-lug-nuts-with-security-key-anti-theft-wheel-nuts/) Security & Tamper-Resistant Nuts ### [Wholesale Black Chrome Wheel Lock Lug Nuts with Security Key Anti Theft Wheel Nuts Auto Parts Made in China](https://engineeringhardware.com/product/wholesale-black-chrome-wheel-lock-lug-nuts-with-security-key-anti-theft-wheel-nuts/) Lug Nut · Steel **US$0.12 – 0.60**MOQ 5,000 pieces [![Costomized A2 SS304 Anti Theft Twist 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Confirmed / Customizable · Custom **US$0.084 – 0.17**MOQ 1,000 pieces [![M12 Zinc Plating Tri Groove Security Nut](https://img.engineeringhardware.com/M12-Zinc-Plating-Tri-Groove-Security-Nut.webp)](https://engineeringhardware.com/product/m12-zinc-plating-tri-groove-security-nut/) Security & Tamper-Resistant Nuts ### [M12 Zinc Plating Tri Groove Security Nut](https://engineeringhardware.com/product/m12-zinc-plating-tri-groove-security-nut/) Round Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.18**MOQ 1,000 pieces **US$0.042 – 3.54**MOQ 100 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M16%20Hex%20Security%20Nut%20with%20Spring%20and%20Ball%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm16-hex-security-nut-with-spring-and-ball%2F)